package org.csmzxy.class2333;

public class Example18 {
    public static void main(String[] args){
        int[] arr=new int[3];
        System.out.println("arr[0]=" +arr[0]);
        System.out.println("arr[1]=" +arr[1]);
        System.out.println("arr[2]=" +arr[2]);
        System.out.println("数组的长度是：" +arr.length);
    }
}
